Galvanic corrosion tshwm sim thaum ob qhov sib txawv ntawm cov hlau yog immersed nyob rau hauv cov tshuaj conductive thiab txuas hluav taws xob Ib qho hlau (lub cathode) tiv thaiv, thaum lwm qhov (lub anode) yog corroded. Tus nqi ntawm kev tawm tsam ntawm lub anode yog nrawm, piv rau tus nqi thaum cov hlau tsis sib txuas.
galvanic corrosion tshwm sim li cas?
Galvanic corrosion (tseem hu ua 'dissimilar hlau corrosion' lossis tsis ncaj ncees lawm 'electrolysis') yog hais txog kev puas tsuaj los ntawm kev puas tsuaj thaum ob yam khoom sib txawv tau ua ke hauv cov khoom siv hluav taws xob. Nws tshwm sim thaum ob (lossis ntau dua) cov hlau tsis sib xws raug coj mus rau hauv hluav taws xob tiv tauj hauv dej
galvanic corrosion yog dab tsi?
Galvanic corrosion yog siv los tiv thaiv cov khoom hlau los ntawm kev txhob txwm ua ib lub xov tooj galvanic nrog lwm cov hlau txiab. Cov txheej txheem no hu ua cathodic tiv thaiv.
Cov xwm txheej twg yuav tsum yog tam sim no galvanic corrosion?
Rau galvanic corrosion tshwm sim, peb yam yuav tsum muaj tam sim no: Electrochemically dissimilar hlau yuav tsum muaj . Cov no hlau yuav tsum nyob rau hauv hluav taws xob tiv tauj, thiab. Cov hlau yuav tsum raug rau ib qho electrolyte.
Koj ua li cas tiv thaiv galvanic corrosion?
Galvanic corrosion tuaj yeem tiv thaiv los ntawm:
- Xaiv cov khoom uas muaj qhov zoo sib xws.
- Txoj kev sib txuas hluav taws xob los ntawm kev thaiv ob lub hlau ntawm ib leeg.
- Kev siv cov txheej txheem rau ob qho tib si. …
- Sib cais ob cov ntaub ntawv los ntawm kev ntxig ib lub spacer kom haum.
